Biblis Adolphe William Bouguereau (1825-1905)

The picture has something of this: nude, water, people, mammal, wood, nature, daylight, river, outdoors, recreation, woman, relaxation, girl, wet, swimming, portrait, wildlife.
Perhaps it’s a painting of a naked woman laying on the ground next to a body of water in a wooded area, with her head resting on her hands on her knees.